CN114578644A - Information display projection curtain dust removal cleaning equipment - Google Patents
Information display projection curtain dust removal cleaning equipment Download PDFInfo
- Publication number
- CN114578644A CN114578644A CN202210296086.1A CN202210296086A CN114578644A CN 114578644 A CN114578644 A CN 114578644A CN 202210296086 A CN202210296086 A CN 202210296086A CN 114578644 A CN114578644 A CN 114578644A
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- fixed
- shaft
- shell
- curtain
- roller
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- 239000000428 dust Substances 0.000 title claims abstract description 37
- 238000004140 cleaning Methods 0.000 title claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 37
- 238000001179 sorption measurement Methods 0.000 claims abstract description 16
- 210000004209 hair Anatomy 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 7
- 239000012780 transparent material Substances 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- B08B1/12—
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- B08B1/20—
Abstract
The invention relates to the technical field of accessories of projection equipment, in particular to dust removal and cleaning equipment for an information display projection curtain, which is simple in structure, wherein in the dust removal process, a winding shaft can wind the curtain and move at the same time, so that a proper angle is kept between the curtain and a roller, the curtain is prevented from being scratched, the separation effect of dust and the roller is improved, and the dust is easier to collect; the method comprises the following steps: the device comprises a main shell and a secondary shell arranged on the main shell, wherein a winding shaft is arranged in the main shell, a curtain is fixed on the winding shaft, the other end of the curtain extends out of the main shell, the winding shaft can rotate, the winding shaft can move left and right relative to the main shell, a shell is fixed in the secondary shell, a roller with brush hair is arranged in the shell, the roller can rotate, and the roller can swing back and forth relative to the secondary shell; the adsorption component is arranged on the auxiliary shell.
Description
Technical Field
The invention relates to the technical field of accessories of projection equipment, in particular to dust removal and cleaning equipment for an information display projection curtain.
Background
The projector is a device capable of projecting images or videos onto a curtain, the curtain can be lifted automatically, the projection curtain is an essential tool in modern various teaching and training, and the frequency of using the projection curtain in a teaching classroom or a special training structure of a college is even greater than that of using a blackboard.
The back is used for a long time to the projecting apparatus curtain, the projecting apparatus curtain generally can accumulate a lot of dusts, in the prior art, in order to detach the dust on the projecting apparatus curtain, generally the department installation that batches at the projecting apparatus curtain has the roller of brush hair and adopts the fan to collect the dust, but discover in the in-service use process, the outside diameter of whole rolling shaft of projecting apparatus curtain when batching constantly increases, but the position of rolling shaft is unchangeable, lead to the angle between curtain and the roller to increase, thereby frictional force between the two increases, the fish tail appears easily in the curtain, simultaneously, there is still dust and roller separation effect poor in current roller and fan complex mode, the inconvenient shortcoming is collected to the dust, the dust removal effect is relatively poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides the information display projection curtain dust removal cleaning equipment which is simple in structure, and in the dust removal process, the winding shaft can wind the curtain and move at the same time, so that a proper angle is kept between the curtain and the roller, the curtain is prevented from being scratched, the separation effect of dust and the roller is improved, and the dust is collected more easily.
The invention relates to a dust removal and cleaning device for an information display projection curtain, which comprises:
the device comprises a main shell and a secondary shell arranged on the main shell, wherein a winding shaft is arranged in the main shell, a curtain is fixed on the winding shaft, the other end of the curtain extends out of the main shell, the winding shaft can rotate, the winding shaft can move left and right relative to the main shell, a shell is fixed in the secondary shell, a roller with brush hair is arranged in the shell, the roller can rotate, and the roller can swing back and forth relative to the secondary shell;
the adsorption component is arranged on the auxiliary shell.
Furthermore, fixing plates are fixed on two sides in the main shell, each fixing plate is provided with two optical shafts in a sliding mode, the other ends of the two optical shafts are fixed with adjusting plates, each adjusting plate is rotatably provided with a middle shaft, and the winding shaft is fixed on the two middle shafts;
a belt wheel I is fixed on the middle shaft positioned at the front side;
an output shaft is rotatably arranged on the fixing plate, a belt wheel II is fixed on the output shaft positioned on the front side, a motor I is fixed at one end of the output shaft, and a reduction box is fixed at the other end of the output shaft;
the adjusting shaft is positioned between the output shaft and the middle shaft, a belt wheel III and a belt wheel IV are fixed on the adjusting shaft, a belt I is sleeved on the belt wheel III and the belt wheel I, and a belt II is sleeved on the belt wheel II and the belt wheel IV;
the middle shaft is rotatably provided with a first swing arm through a bearing, the other end of the first swing arm is rotatably connected with the adjusting shaft through a bearing, the adjusting shaft is rotatably provided with a second swing arm through a bearing, the other end of the second swing arm is rotatably connected with the output shaft through a bearing, and the first swing arm and the second swing arm form a V shape;
a driving arm is fixed on the output end of the speed reducer, and a driving shaft is fixed on the other end of the driving arm;
a cross shaft is fixed on the two fixed plates, a cam is rotatably arranged on the cross shaft, and a gear is fixedly connected on the cam through a transition ring;
a door-shaped limiting frame is fixed in the main shell, a rack is slidably mounted on the limiting frame, the rack is meshed with the gear, and a driving ring with a long hole is fixed on the rack;
the end part of the driving shaft extends into the strip hole;
a transverse plate is fixed on the two adjusting plates, a roller is rotatably arranged on the transverse plate, the cam is matched with the roller, and the relative position of the cam and the roller is adjusted by rotating the cam, so that the position of the winding shaft is adjusted;
a first supporting plate is fixed on each fixing plate, a second supporting plate is fixed on each adjusting plate, and a return spring is arranged between the first supporting plate and the second supporting plate.
Furthermore, the shell is hollow, an opening is formed in one side, facing the curtain, of the shell, a cover shell with a C-shaped section is fixed in the shell, a gap exists between the cover shell and the shell, and a baffle is fixed between the cover shell and the shell to close one end of the gap;
a rotating shaft is rotatably arranged in the shell, and a spline shaft is arranged in the middle of the rotating shaft;
the spline shaft is sleeved with a spline housing, the roller is arranged on an outer ring of the spline housing, and the lower end of the housing is supported on the brush hair in a shovel shape;
a first wavy track is fixed at one end in the shell, a first contact element with the first track is rotatably mounted at one end of the roller, a second wavy track is fixed at the other end in the shell, a second contact element with the second track is rotatably mounted at the other end of the roller, and when the first contact element is contacted with the wave crest of the first track, the second contact element is contacted with the wave trough of the second track;
and a second motor is fixed at one end of the rotating shaft.
Further, the adsorption component comprises a plurality of communicating covers which are fixed on the shell and communicated with the shell, an induced draft fan which is fixed inside the auxiliary shell body, an input end of the induced draft fan is communicated with the communicating covers, and each input end is provided with a regulating valve.
Furthermore, the adsorption component also comprises a collection box fixed on the auxiliary shell, the collection box is in threaded connection with an end cover, and a tank body for collecting dust is fixed on the end cover;
an air outlet is formed in the top of the collecting box, a filter screen is arranged in the collecting box, and the filter screen is positioned at the air outlet;
the adsorption component further comprises a pipeline communicated with the output end of the induced draft fan, the other end of the pipeline is communicated with the collection box, and a certain angle exists between the air outlet direction of the pipeline and the axis of the collection box.
Further, a balancing weight is arranged at the other end of the curtain.
Further, a bearing is arranged between the transition ring and the transverse shaft.
Furthermore, the collecting box, the end cover and the tank body are all made of transparent materials.
Compared with the prior art, the invention has the beneficial effects that: during normal use, the curtain is after finishing using, make the winding shaft rotatory with the curtain winding on the winding shaft, and at the coiling in-process, the roller is kept away from gradually to the winding shaft, make the curtain that shifts up can not produce very big frictional force to the roller, the fish tail can not appear in the curtain, the curtain is at the in-process that curls simultaneously, roller direction of rotation is opposite with curtain moving direction, under the cooperation of adsorption component and roller, can get rid of the dust on curtain surface and collect, and the swing can take place for the roller, can clear up the curtain at no dead angle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of FIG. 1 with the primary and secondary housings concealed from connection;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a top right front side perspective view of FIG. 2;
FIG. 5 is a partial enlarged view of portion A of FIG. 4;
FIG. 6 is a partial enlarged view of portion B of FIG. 4;
FIG. 7 is a top left front perspective view of FIG. 2;
FIG. 8 is a partial enlarged view of portion A of FIG. 7;
FIG. 9 is a partial enlarged view of portion B of FIG. 7;
FIG. 10 is a cross-sectional view of the housing, cover, spline housing, spline shaft, baffle, etc.;
FIG. 11 is an exploded view of the housing, cover, spline housing, spline shaft, baffle, motor, etc.;
FIG. 12 is a partial enlarged view of portion A of FIG. 11;
FIG. 13 is a cross-sectional view of the collection box, end cap, air outlet, filter screen, etc.;
in the drawings, the reference numbers: 1. a main housing; 2. a sub-housing; 3. a take-up reel; 4. a curtain; 5. a housing; 6. brushing; 7. a roller; 8. a fixing plate; 9. an optical axis; 10. an adjusting plate; 11. a middle shaft; 12. a first belt wheel; 13. an output shaft; 14. a second belt wheel; 15. a first motor; 16. a reduction gearbox; 17. an adjustment shaft; 18. a third belt wheel; 19. a belt wheel IV; 20. a first belt; 21. a second belt; 22. a first swing arm; 23. a second swing arm; 24. a drive arm; 25. a drive shaft; 26. a horizontal axis; 27. a cam; 28. a transition ring; 29. a gear; 30. a limiting frame; 31. a rack; 32. a drive ring; 33. a transverse plate; 34. a roller; 35. a return spring; 36. a housing; 37. a baffle plate; 38. a rotating shaft; 39. a spline shaft; 40. a spline housing; 41. a first track; 42. a first contact element; 43. a second motor; 44. a communicating cover; 45. an induced draft fan; 46. a collection box; 47. an end cap; 48. a tank body; 49. an air outlet; 50. filtering with a screen; 51. a pipeline; 52. and a balancing weight.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be construed broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 13, the dust removing and cleaning apparatus for an information display projection curtain of the present invention comprises:
the device comprises a main shell 1 and a secondary shell 2 arranged on the main shell 1, wherein a winding shaft 3 is arranged in the main shell 1, a curtain 4 is fixed on the winding shaft 3, the other end of the curtain 4 extends out of the main shell 1, the winding shaft 3 can rotate, the winding shaft 3 can move left and right relative to the position of the main shell 1, a shell 5 is fixed in the secondary shell 2, a roller 7 with brush hairs 6 is arranged in the shell 5, the roller 7 can rotate, and the roller 7 can swing back and forth relative to the position of the secondary shell 2;
the device also comprises an adsorption component arranged on the auxiliary shell 2;
in this embodiment, in normal use, as shown in fig. 1, after the curtain 4 is used, the winding shaft 3 is rotated to wind the curtain 4 around the winding shaft 3, and during the winding process, the winding shaft 3 is gradually away from the roller 7, so that the curtain 4 moving upwards does not generate a large friction force on the roller 7, the curtain 4 is not scratched, meanwhile, during the winding process of the curtain 4, the rotation direction of the roller 7 is opposite to the movement direction of the curtain 4, under the cooperation of the adsorption component and the roller 7, the dust on the surface of the curtain 4 can be removed and collected, and the roller 7 can swing, so that the curtain 4 can be cleaned without dead angles.
Furthermore, fixing plates 8 are fixed on two sides in the main shell 1, two optical shafts 9 are slidably mounted on each fixing plate 8, an adjusting plate 10 is fixed at the other end of each optical shaft 9, a middle shaft 11 is rotatably mounted on each adjusting plate 10, and the winding shaft 3 is fixed on the two middle shafts 11;
a belt wheel I12 is fixed on the middle shaft 11 positioned at the front side;
an output shaft 13 is rotatably mounted on the fixed plate 8, a second belt wheel 14 is fixed on the output shaft 13 positioned on the front side, a first motor 15 is fixed at one end of the output shaft 13, and a reduction box 16 is fixed at the other end of the output shaft 13;
the device also comprises an adjusting shaft 17 positioned between the output shaft 13 and the middle shaft 11, wherein a third belt wheel 18 and a fourth belt wheel 19 are fixed on the adjusting shaft 17, a first belt 20 is sleeved on the third belt wheel 18 and the first belt wheel 12, and a second belt 21 is sleeved on the second belt wheel 14 and the fourth belt wheel 19;
the middle shaft 11 is rotatably provided with a first swing arm 22 through a bearing, the other end of the first swing arm 22 is rotatably connected with the adjusting shaft 17 through a bearing, the adjusting shaft 17 is rotatably provided with a second swing arm 23 through a bearing, the other end of the second swing arm 23 is rotatably connected with the output shaft 13 through a bearing, and the first swing arm 22 and the second swing arm 23 form a V shape;
a driving arm 24 is fixed on the output end of the speed reducer, and a driving shaft 25 is fixed on the other end of the driving arm 24;
a transverse shaft 26 is fixed on the two fixing plates 8, a cam 27 is rotatably arranged on the transverse shaft 26, and a gear 29 is fixedly connected on the cam 27 through a transition ring 28;
a door-shaped limiting frame 30 is fixed in the main shell 1, a rack 31 is slidably mounted on the limiting frame 30, the rack 31 is meshed with the gear 29, and a driving ring 32 with a long hole is fixed on the rack 31;
the end of the drive shaft 25 extends into the elongated hole;
a transverse plate 33 is fixed on the two adjusting plates 10, a roller 34 is rotatably arranged on the transverse plate 33, the cam 27 is matched with the roller 34, and the relative position of the cam 27 and the roller 34 is adjusted by rotating the cam 27, so that the position of the winding shaft 3 is adjusted;
a first supporting plate is fixed on each fixing plate 8, a second supporting plate is fixed on each adjusting plate 10, and a return spring 35 is arranged between the first supporting plate and the second supporting plate;
in the embodiment, as shown in the figure, one end of the cam 27 away from the center of the circle is in contact with the roller 34, so that the distance between the adjusting plate 10 and the fixing plate 8 is the largest, and at this time, the return spring 35 is in a stretching state, when the cam 27 rotates, under the action of the tension of the return spring 35, the distance between the adjusting plate 10, the optical axis 9 and the fixing plate 8 is reduced, that is, the reeling shaft 3 is away from the roller 7, in the above process, the angle between the first swing arm 22 and the second swing arm 23 is changed, but the tightness of the first belt 20 and the second belt 21 is not changed, and the first motor 15 drives the reeling shaft 3 to rotate when being powered on;
after the motor I15 is electrified, the winding shaft 3 is driven to rotate under the coordination of the output shaft 13, the belt wheel I12, the belt wheel II 14, the belt wheel III 18, the belt wheel IV 19, the belt wheel I20, the belt wheel II 21 and the middle shaft 11, and the reduction box 16 is driven to operate, the rotation speed of the driving arm 24 at the output end of the reduction box 16 and the rotation speed of the driving shaft 25 can be greatly reduced through the reduction box 16, the driving shaft 25 penetrates through the long-strip hole on the driving ring 32, so that the driving ring 32 and the rack 31 are driven to move along the limiting frame 30 by the rotating driving shaft 25, the transition ring 28 and the cam 27 are driven to rotate due to the meshing of the rack 31 and the gear 29, under the tensile force of the return spring 35, the winding shaft 3 gradually gets away from the roller 7, that is to say, the winding shaft 3 moves at the same time of winding the curtain 4, so that the curtain 4 does not excessively contact with the brush hairs 6 on the roller 7, the friction force is reduced, and the curtain 4 is prevented from being scratched.
Furthermore, the housing 5 is hollow and has an opening facing the curtain 4, a cover 36 with a C-shaped cross section is fixed inside the housing 5, a gap exists between the cover 36 and the housing 5, and a baffle 37 is fixed between the cover 36 and the housing 5 to close one end of the gap;
a rotating shaft 38 is rotatably arranged in the shell 5, and a spline shaft 39 is arranged in the middle of the rotating shaft 38;
the spline shaft 39 is sleeved with a spline housing 40, the roller 7 is arranged on the outer ring of the spline housing 40, and the lower end of the housing 36 is supported on the brush bristles 6 in a shovel shape;
a first wavy track 41 is fixed at one end in the shell 5, a first contact element 42 which is connected with the first wavy track 41 is rotatably installed at one end of the roller 7, a second wavy track is fixed at the other end in the shell 5, a second contact element which is connected with the second track is rotatably installed at the other end of the roller 7, when the first contact element 42 is contacted with a wave crest of the first track 41, the second contact element is contacted with a wave trough of the second track, and the first contact element 42 and the second contact element can be balls or rollers 34;
a second motor 43 is fixed at one end of the rotating shaft 38;
in the embodiment, the second motor 43 is electrified to drive the spline shaft 39, the spline housing 40, the roller 7, the brush hair 6, the first contact element 42 and the second contact element to rotate, and when the first contact element 42 is contacted with the wave crest of the first track 41, the second contact element is contacted with the wave trough of the second track, so that in the rotation process of the spline housing 40, the roller 7, the brush hair 6 and the like also swing forwards and backwards relative to the spline shaft 39, no dead angle exists between the brush hair 6 and the curtain 4, and the cleaning effect is better;
when clearing up curtain 4, roller 7 direction of rotation is opposite with the removal direction of curtain 4, and brush hair 6 on roller 7 gets off the dust clearance on curtain 4 surface after contacting with curtain 4, then continues to rotate, and when the cover 36, the dust that is on the brush hair 6 can be got off to the one end that is the shovel form on the cover 36, drops to in the clearance between cover 36 and shell 5.
Furthermore, the adsorption component comprises a plurality of communicating covers 44 which are fixed on the shell 5 and communicated with the shell 5, and an induced draft fan 45 which is fixed in the auxiliary shell 2, wherein the input end of the induced draft fan 45 is communicated with the communicating covers 44, and each input end is provided with an adjusting valve;
in this embodiment, because whole curtain 4 width is great, draught fan 45 power is limited, through the aperture of adjustment governing valve, makes the air flow of each intercommunication cover 44 roughly the same, and the dust that is on the one end of shovel form on the housing 36 will brush hair 6 clears up, drops to the clearance between housing 36 and shell 5 in, then is taken away by draught fan 45, through the baffle 37 that sets up, seals the clearance other end, can provide bigger adsorption affinity.
Further, the adsorption assembly further comprises a collection box 46 fixed on the auxiliary shell 2, an end cover 47 is connected to the collection box 46 in a threaded manner, and a tank 48 for collecting dust is fixed on the end cover 47;
an air outlet 49 is formed in the top of the collecting box 46, a filter screen 50 is arranged inside the collecting box 46, and the filter screen 50 is located at the air outlet 49;
the adsorption component also comprises a pipeline 51 communicated with the output end of the induced draft fan 45, the other end of the pipeline 51 is communicated with the collection box 46, and the air outlet direction of the pipeline 51 and the axis of the collection box 46 form a certain angle;
in this embodiment, the induced draft fan 45 extracts dust and air, and then flows into the collection box 46 along the pipeline 51, and a certain angle exists between the air outlet direction of the pipeline 51 and the axis of the collection box 46, so that the air can rotate in the collection box 46, the dust is prevented from blocking the filter screen 50, and the air filtered by the filter screen 50 flows out of the collection box 46 along the air outlet 49;
periodically rotating the end cover 47 to remove the tank 48, cleaning the tank 48 from dust, and then installing the end cover 47.
Further, a counterweight 52 is arranged at the other end of the curtain 4;
in this embodiment, by providing the weight 52 at the other end of the curtain 4, the influence of the suction force on the curtain 4 can be reduced, and the curtain 4 can be further prevented from being scratched by the brush bristles 6.
Further, a bearing is mounted between the transition ring 28 and the transverse shaft 26.
In the present embodiment, a bearing is mounted between the transition ring 28 and the lateral shaft 26 to facilitate smooth rotation of the transition ring 28, the gear 29, and the like.
Further, the collecting box 46, the end cover 47 and the tank 48 are all made of transparent materials;
in this embodiment, the collection box 46, the end cover 47 and the tank 48 are made of transparent materials, so that the impurities in the tank 48 can be observed more conveniently, and the impurities can be cleaned in time.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an information display projection curtain dust removal clean-up equipment which characterized in that includes:
the winding device comprises a main shell (1) and an auxiliary shell (2) arranged on the main shell (1), wherein a winding shaft (3) is arranged in the main shell (1), a curtain (4) is fixed on the winding shaft (3), the other end of the curtain (4) extends out of the main shell (1), the winding shaft (3) can rotate, the winding shaft (3) can move left and right relative to the position of the main shell (1), a shell (5) is fixed in the auxiliary shell (2), a roller (7) with bristles (6) is arranged in the shell (5), the roller (7) can rotate, and the roller (7) can swing back and forth relative to the position of the auxiliary shell (2);
the device also comprises an adsorption component arranged on the auxiliary shell (2).
2. The information display projection curtain dust removal cleaning device as claimed in claim 1, wherein fixing plates (8) are fixed on two sides in the main housing (1), two optical axes (9) are slidably mounted on each fixing plate (8), an adjusting plate (10) is fixed at the other end of each optical axis (9), a central shaft (11) is rotatably mounted on each adjusting plate (10), and the winding shaft (3) is fixed on the two central shafts (11);
a belt wheel I (12) is fixed on the middle shaft (11) positioned at the front side;
an output shaft (13) is rotatably arranged on the fixed plate (8), a second belt wheel (14) is fixed on the output shaft (13) positioned on the front side, a first motor (15) is fixed at one end of the output shaft (13), and a reduction box (16) is fixed at the other end of the output shaft (13);
the device also comprises an adjusting shaft (17) positioned between the output shaft (13) and the middle shaft (11), a third belt wheel (18) and a fourth belt wheel (19) are fixed on the adjusting shaft (17), a first belt (20) is sleeved on the third belt wheel (18) and the first belt wheel (12), and a second belt (21) is sleeved on the second belt wheel (14) and the fourth belt wheel (19);
a first swing arm (22) is rotatably mounted on the middle shaft (11), the other end of the first swing arm (22) is rotatably connected with the adjusting shaft (17), a second swing arm (23) is rotatably mounted on the adjusting shaft (17), the other end of the second swing arm (23) is rotatably connected with the output shaft (13), and the first swing arm (22) and the second swing arm (23) form a V shape;
a driving arm (24) is fixed on the output end of the speed reducer, and a driving shaft (25) is fixed on the other end of the driving arm (24);
a transverse shaft (26) is fixed on the two fixing plates (8), a cam (27) is rotatably arranged on the transverse shaft (26), and a gear (29) is fixedly connected on the cam (27) through a transition ring (28);
a door-shaped limiting frame (30) is fixed in the main shell (1), a rack (31) is slidably mounted on the limiting frame (30), the rack (31) is meshed with the gear (29), and a driving ring (32) with a long hole is fixed on the rack (31);
the end part of the driving shaft (25) extends into the strip hole;
transverse plates (33) are fixed on the two adjusting plates (10), rollers (34) are rotatably arranged on the transverse plates (33), and the cams (27) are matched with the rollers (34);
a first supporting plate is fixed on each fixing plate (8), a second supporting plate is fixed on each adjusting plate (10), and a return spring (35) is arranged between the first supporting plate and the second supporting plate.
3. A dust removing and cleaning device for an information display projection curtain as claimed in claim 2, wherein the housing (5) is hollow and has an opening on one side facing the curtain (4), a cover (36) with a C-shaped cross section is fixed inside the housing (5), a gap exists between the cover (36) and the housing (5), and a baffle (37) is fixed between the cover (36) and the housing (5) to close one end of the gap;
a rotating shaft (38) is rotatably arranged in the shell (5), and a spline shaft (39) is arranged in the middle of the rotating shaft (38);
a spline housing (40) is sleeved on the spline shaft (39), the roller (7) is arranged on the outer ring of the spline housing (40), and the lower end of the housing (36) is supported on the brush hair (6) in a shovel shape;
a first wavy track (41) is fixed at one end in the shell (5), a first contact element (42) which is connected with the first track (41) is rotatably installed at one end of the roller (7), a second wavy track is fixed at the other end in the shell (5), a second contact element which is connected with the second track is rotatably installed at the other end of the roller (7), and when the first contact element (42) is contacted with the wave crest of the first track (41), the second contact element is contacted with the wave trough of the second track;
and a second motor (43) is fixed at one end of the rotating shaft (38).
4. The dust removal and cleaning device for the information display projection curtain as claimed in claim 3, wherein the adsorption assembly comprises a plurality of communicating covers (44) fixed on the housing (5) and communicated with the housing (5), and an induced draft fan (45) fixed inside the auxiliary shell (2), wherein the input ends of the induced draft fan (45) are communicated with the communicating covers (44), and each input end is provided with a regulating valve.
5. The dust removal and cleaning device for the information display projection curtain as claimed in claim 4, wherein the adsorption assembly further comprises a collection box (46) fixed on the auxiliary housing (2), an end cover (47) is connected to the collection box (46) in a threaded manner, and a tank (48) for collecting dust is fixed on the end cover (47);
an air outlet (49) is formed in the top of the collecting box (46), a filter screen (50) is arranged inside the collecting box (46), and the filter screen (50) is positioned at the air outlet (49);
the adsorption component further comprises a pipeline (51) communicated with the output end of the induced draft fan (45), the other end of the pipeline (51) is communicated with the collection box (46), and a certain angle exists between the air outlet direction of the pipeline (51) and the axis of the collection box (46).
6. An information presentation projection screen dust removal apparatus as claimed in claim 5 wherein a counterweight (52) is provided at the other end of the screen (4).
7. An information presentation projection curtain dust extraction apparatus as claimed in claim 6 wherein bearings are mounted between said transition ring (28) and said transverse shaft (26).
8. The device for removing dust and cleaning up the projection curtain for information display as claimed in claim 7, wherein the collection box (46), the end cap (47) and the tank (48) are made of transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296086.1A CN114578644B (en) | 2022-03-24 | 2022-03-24 | Information display projection curtain dust removal cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296086.1A CN114578644B (en) | 2022-03-24 | 2022-03-24 | Information display projection curtain dust removal cleaning equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116173654A (en) * | 2023-04-25 | 2023-05-30 | 河北宝瑞电子科技有限公司 | Automatic high-efficient flue gas dust removal equipment |
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| CN213750646U (en) * | 2020-10-16 | 2021-07-20 | 成都数云时代科技有限公司 | Lifting curtain structure of intelligent projector |
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| CN116173654A (en) * | 2023-04-25 | 2023-05-30 | 河北宝瑞电子科技有限公司 | Automatic high-efficient flue gas dust removal equipment |
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| CN114578644B (en) | 2023-03-17 |
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